CN218400795U - Automatic resetting and centering device - Google Patents
Automatic resetting and centering device Download PDFInfo
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- CN218400795U CN218400795U CN202222303370.5U CN202222303370U CN218400795U CN 218400795 U CN218400795 U CN 218400795U CN 202222303370 U CN202222303370 U CN 202222303370U CN 218400795 U CN218400795 U CN 218400795U
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Abstract
The utility model discloses an automatic resetting centering device, which comprises a positioning guide seat, a guide bearing, a guide positioning pin, a compression spring and a positioning seat; the positioning guide seat is fixed on the fixed support component, the positioning seat is arranged on the floating component, the guide bearing is positioned in a positioning hole of the positioning guide seat, and the guide positioning pin consists of a guide structure positioned at the upper end and a pin body structure positioned at the lower end; the guide structure at the upper end of the guide positioning pin is arranged in a centering hole arranged on the positioning seat; the pin body structure at the lower end of the guide positioning pin is arranged in an inner hole of the guide bearing, and the compression spring is positioned between the positioning guide seat and the guide positioning pin; the compression spring is compressed under the action of external force to push the guide positioning pin to move upwards, and the elastic force of the compression spring pushes the guide positioning pin to automatically reset and center after the external force is moved out. The centering device is used for realizing the positioning function, and loosens the locking under the action of external force, and after the external force disappears, the positioning function is automatically recovered under the action of elastic force.
Description
Technical Field
The utility model belongs to the technical field of mechanical automation, concretely relates to automatic resetting centering device.
Background
Attach together the line at the chassis and attach together automobile body and chassis part, there is certain error in automobile body and chassis part, and the chassis part is put the chassis and is attached together on the tray, attaches together the tray and divide three preceding, well, back tray and end tray, in order to compensate the error of chassis part, preceding, well and back tray need float on end tray, attaches together and need lock the location.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing an automatic re-setting centering device, the device realize right through the guide locating pin action floating installation beyond the device sells the location, has higher positioning accuracy, centering device is inside including compression spring, automatic re-setting centering under the effect of compression spring force. The centering device is used for realizing the positioning function, and the locking is loosened under the action of external force, and the positioning function is automatically recovered under the action of elastic force after the external force disappears.
The utility model discloses a following technical scheme realizes:
an automatic reset centering device comprises a positioning guide seat 1, a guide bearing 2, a guide positioning pin 3, a compression spring 4 and a positioning seat 5; the positioning guide seat 1 is fixed on the fixed supporting component, the positioning seat 5 is installed on the floating component, the guide bearing 2 is positioned in a positioning hole of the positioning guide seat 1, and the guide positioning pin 3 consists of a guide structure positioned at the upper end and a pin body structure positioned at the lower end; a guide structure at the upper end of the guide positioning pin 3 is arranged in a centering hole arranged on the positioning seat 5; the pin body structure at the lower end of the guide positioning pin 3 is arranged in the inner hole of the guide bearing 2, and the compression spring 4 is positioned between the positioning guide seat 1 and the guide positioning pin 3 and sleeved on the guide positioning pin 3; the compression spring 4 is compressed under the action of external force to push the guide positioning pin 3 to move upwards, and the elastic force of the compression spring 4 pushes the guide positioning pin 3 to automatically reset and center after the external force is moved out.
Furthermore, the positioning seat 5 is installed in a centering hole of the floating assembly, and is installed by adopting a flange end face, and is used for guiding the Z-direction locking and positioning the inner diameter of the positioning pin.
Further, the positioning guide seat 1 is fixed on the fixed support component through screws, and the positioning seat 5 is installed on the floating component through screws.
Furthermore, one end of the guide bearing 2 is limited through a shaft shoulder, and the other end of the guide bearing is limited through a clamping ring.
Furthermore, the guide structure is sequentially composed of an axial locking end structure, a positioning cylindrical structure and an automatic reset functional cone structure from top to bottom, and the axial locking end structure, the positioning cylindrical structure and the automatic reset functional cone structure are integrally formed; the axial locking end structure is positioned on the upper end face of the positioning seat 5 and used for limiting; the positioning cylindrical structure is positioned in a centering hole of the positioning seat 5; the automatic reset functional cone structure is used for positioning and locking, when the applied external force is withdrawn, the lower end surface of the guide positioning pin is pushed under the elastic force of the reset spring, and the guide positioning pin slides into the positioning hole of the positioning guide seat 1 along the guide conical surface at the upper end to perform positioning and locking; the pin body structure is composed of a pin body and a flange structure positioned at the lower end of the pin body.
Furthermore, the guide structure is connected with the pin body structure through a positioning hole and an inner hexagon screw; the upper end face of the axial locking end structure of the guide structure is provided with a positioning hole, the lower end face of the axial locking end structure of the guide structure is provided with a pin body mounting hole, the upper end face of the pin body is provided with a positioning hole, the positioning hole of the axial locking end structure is coaxial with the positioning hole of the pin body, the pin body structure is arranged in the pin body mounting hole, and an inner hexagon screw penetrates through the two positioning holes to fixedly connect the guide structure with the pin body structure.
Further, the upper end of the compression spring 4 is supported on the step surface of the positioning guide seat 1, and the lower end is supported on the flange structure of the guide positioning pin 3.
Compared with the prior art, the utility model has the advantages as follows:
1. the automatic reset centering device of the utility model has simple structure, convenient operation and high positioning precision;
2. the lock can be automatically locked without external force;
3. the full-automatic chassis assembling machine can be used for full-automatic chassis assembling production, and makes up the size and position errors of a vehicle body and chassis parts to ensure the successful assembling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of an automatic reset centering device of the present invention;
fig. 2 is a front view of an automatic reset centering device of the present invention;
fig. 3 is a cross-sectional view of an automatic reset centering device of the present invention;
in the figure: the positioning device comprises a positioning guide seat 1, a guide bearing 2, a guide positioning pin 3, a compression spring 4 and a positioning seat 5.
Detailed Description
For clearly and completely describing the technical scheme and the specific working process of the present invention, the following specific embodiments are provided in combination with the drawings of the specification:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example 1
As shown in fig. 1 and fig. 2, the automatic resetting and centering device of the present embodiment is composed of a positioning guide seat 1, a guide bearing 2, a guide positioning pin 3, a compression spring 4 and a positioning seat 5; the positioning guide seat 1 is fixed on the fixed support assembly through a screw, is used for realizing the integral installation of the device, can adjust the installation position of the device and realizes the locking of the installation position; the positioning seat 5 is installed in a centering hole of the floating assembly through a screw, is installed by adopting a flange end face and is used for guiding Z-direction locking and positioning inner diameter of the positioning pin;
the guide bearing 2 is positioned in a positioning hole of the positioning guide seat 1 and used for realizing the guiding function of the positioning device during the positioning action and ensuring that the guide positioning pin 3 does not deviate within a certain precision range; one end of the guide bearing 2 is limited through a shaft shoulder, and the other end of the guide bearing is limited through a clamping ring;
the guide positioning pin 3 consists of a guide structure positioned at the upper end and a pin body structure positioned at the lower end; the guide structure at the upper end of the guide positioning pin 3 is arranged in a centering hole arranged on the positioning seat 5; the pin body structure at the lower end of the guide positioning pin 3 is arranged in the inner hole of the guide bearing 2, and the compression spring 4 is positioned between the positioning guide seat 1 and the guide positioning pin 3 and sleeved on the guide positioning pin 3; the compression spring 4 is compressed under the action of external force to push the guide positioning pin 3 to move upwards, and the elastic force of the compression spring 4 pushes the guide positioning pin 3 to automatically reset and center after the external force is moved out.
The guide structure consists of an axial locking end structure, a positioning cylindrical structure and an automatic resetting functional cone structure from top to bottom in sequence, and the axial locking end structure, the positioning cylindrical structure and the automatic resetting functional cone structure are integrally formed; the axial locking end structure is positioned on the upper end face of the positioning seat 5 and used for limiting; the positioning cylindrical structure is positioned in a centering hole of the positioning seat 5; the automatic reset functional cone structure is used for positioning and locking, when the applied external force is withdrawn, the lower end surface of the guide positioning pin is pushed under the elastic force of the reset spring, and the guide positioning pin slides into the positioning hole of the positioning guide seat 1 along the guide conical surface at the upper end to perform positioning and locking; the pin body structure is composed of a pin body and a flange structure positioned at the lower end of the pin body. The lower end shaft diameter of the centering pin is used for positioning and guiding the inner diameter of the compression spring, and the guide positioning pin is inserted into the bearing hole for centering, so that the position precision of the centering device is ensured;
the guide structure is connected with the pin body structure through a positioning hole and an inner hexagon screw; the upper end face of the axial locking end structure of the guide structure is provided with a positioning hole, the lower end face of the axial locking end structure of the guide structure is provided with a pin body mounting hole, the upper end face of the pin body is provided with a positioning hole, the positioning hole of the axial locking end structure is coaxial with the positioning hole of the pin body, the pin body structure is arranged in the pin body mounting hole, and an inner hexagon screw penetrates through the two positioning holes to fixedly connect the guide structure and the pin body structure.
The upper end of the compression spring 4 is supported on the step surface of the positioning guide seat 1, and the lower end of the compression spring is supported on the flange structure of the guide positioning pin 3.
The positioning guide seat 1 of the utility model is installed on a fixed component with floating function through screws, the positioning guide seat 1 comprises a mounting flange, an outer diameter positioning axial surface and an inner diameter positioning hole, a high-precision bearing is placed in the inner diameter positioning hole of the positioning guide seat, one end of the guide bearing 2 is limited by a shaft shoulder, and the other end of the hole is limited by a retainer ring; the guide positioning pin is placed in a hole of the guide bearing, and the outer diameter of the guide positioning pin is centered; during positioning, the flange surface of the upper end axial locking end structure of the guide positioning pin is placed on the upper end surface of the positioning seat, so that Z-direction locking is realized; the outer diameter of the positioning cylindrical structure at the upper end of the guide positioning pin is in clearance fit with the inner hole of the positioning seat, so that the centering precision and the Z-direction movement are ensured; the flange positioning surface of the flange structure at the lower end of the guide positioning pin performs inner diameter centering guide on the compression spring; the lower end face of the guide positioning pin is used for supporting the reset spring; the external force acts on the bottom surface of the guide positioning pin; the reset spring is placed between the positioning guide seat and the guide positioning pin as shown in fig. 1, the reset spring adopts inner diameter centering guide, and the centering guide part consists of spring positioning surfaces of the positioning guide seat and the guide positioning pin; the positioning seat is arranged in a centering hole of the floating mechanism and is installed by adopting the end face of a flange; providing a Z-direction locking end face and a positioning inner diameter of the guide positioning pin;
the working process of the automatic reset centering device of the embodiment is as follows:
the utility model provides a pair of automatic re-setting centering mechanism uses in possessing the relocation mechanism subassembly, when not needing the relocation mechanism to provide the function of floating, the utility model discloses a be in the locking state, only need under the condition that starts the function of floating, exert Z to ascending thrust in guide pin lower extreme bottom surface, guide pin is along Z to upward movement, centering device is opened to compression reset spring, the unsteady subassembly of relocation mechanism's needs just can float in the certain limit, after the applied external force is withdrawn from, terminal surface under the guide pin is pushed under reset spring's spring action, the guide pin prolongs the interior locking of fixing a position of the guide conical surface of upper end automatic re-setting function awl structure sliding into the seat hole of position sleeve.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be arbitrarily combined with each other, and the disclosed content of the present invention should be considered as the same as long as it does not violate the idea of the present invention.
Claims (7)
1. An automatic reset centering device is characterized by comprising a positioning guide seat (1), a guide bearing (2), a guide positioning pin (3), a compression spring (4) and a positioning seat (5); the positioning guide seat (1) is fixed on the fixed support component, the positioning seat (5) is installed on the floating component, the guide bearing (2) is positioned in a positioning hole of the positioning guide seat (1), and the guide positioning pin (3) consists of a guide structure positioned at the upper end and a pin body structure positioned at the lower end; the guide structure at the upper end of the guide positioning pin (3) is arranged in a centering hole arranged on the positioning seat (5); the pin body structure at the lower end of the guide positioning pin (3) is arranged in an inner hole of the guide bearing (2), and the compression spring (4) is positioned between the positioning guide seat (1) and the guide positioning pin (3) and sleeved on the guide positioning pin (3); the compression spring (4) is compressed under the action of external force to push the guide positioning pin (3) to move upwards, and the elastic force of the compression spring (4) pushes the guide positioning pin (3) to automatically reset and center after the external force is moved out.
2. The self-resetting centering device of claim 1, wherein the positioning seat (5) is installed in a centering hole of the floating assembly by flange end face installation for guiding the Z-direction locking and positioning inner diameter of the positioning pin.
3. The self-righting centering device as claimed in claim 1, wherein said positioning guide seat (1) is fixed to the fixed support member by means of screws, and said positioning seat (5) is mounted to the floating member by means of screws.
4. An automatic reset centring device according to claim 1 characterised in that one end of the guide bearing (2) is retained by a shoulder and the other end by a collar.
5. The automatic reset centering device of claim 1, wherein the guiding structure is composed of an axial locking end structure, a positioning cylinder structure and an automatic reset function cone structure from top to bottom in sequence, and the axial locking end structure, the positioning cylinder structure and the automatic reset function cone structure are integrally formed; the axial locking end structure is positioned on the upper end face of the positioning seat (5) and used for limiting; the positioning cylindrical structure is positioned in a centering hole of the positioning seat (5); the automatic reset functional cone structure is used for positioning and locking, when the applied external force is withdrawn, the lower end surface of the guide positioning pin is pushed under the elastic action of the reset spring, and the guide positioning pin slides into a positioning hole of the positioning guide seat (1) along the guide conical surface at the upper end to perform positioning and locking; the pin body structure is composed of a pin body and a flange structure positioned at the lower end of the pin body.
6. The self-repositioning centering device according to claim 5, wherein the guide structure is connected with the pin body structure through a positioning hole and a socket head cap screw; the upper end face of the axial locking end structure of the guide structure is provided with a positioning hole, the lower end face of the axial locking end structure of the guide structure is provided with a pin body mounting hole, the upper end face of the pin body is provided with a positioning hole, the positioning hole of the axial locking end structure is coaxial with the positioning hole of the pin body, the pin body structure is arranged in the pin body mounting hole, and an inner hexagon screw penetrates through the two positioning holes to fixedly connect the guide structure with the pin body structure.
7. An automatic reset centring device according to claim 1 characterized in that the upper end of the compression spring (4) is supported on the step surface of the positioning guide (1) and the lower end is supported on the flange structure of the guide dowel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303370.5U CN218400795U (en) | 2022-08-31 | 2022-08-31 | Automatic resetting and centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222303370.5U CN218400795U (en) | 2022-08-31 | 2022-08-31 | Automatic resetting and centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218400795U true CN218400795U (en) | 2023-01-31 |
Family
ID=85030120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222303370.5U Active CN218400795U (en) | 2022-08-31 | 2022-08-31 | Automatic resetting and centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218400795U (en) |
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2022
- 2022-08-31 CN CN202222303370.5U patent/CN218400795U/en active Active
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